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Greg Pomerantz 915e04c2c3 120Hz: jank_eval referee + slot-based wake guard + MISS ledger 
tools/jank_eval.py: strict PASS/FAIL jank evaluator (the referee).
- slot grid from VSYNC ftn edges (hardware truth); anchor fallback only
- PASS iff per active window: no dropped slot, no same-slot double, no
  present past the SF latch, no >20ms present gap, phase spread <=0.5ms
- self-test: 7 synthetic log files through the same main() path, all
  classified correctly; validated on the emulator (60 Hz emu display
  detected, active windows found)
- re-judges slt4 honestly: my 'clean' drag-1 window is FAIL (30.6ms +
  21ms stalls, 20 past-latch presents, 1.1ms spread) — the user saw it

lib.rs/stg.rs: slot-based wake guard replaces the interval freshness
guard (0.2ms false-reject margin). A wake renders iff its edge-grid slot
is strictly after the last rendered slot; a gap of >=2 slots emits
MISS {mon, slots, nowake} — the missing evidence for stall slots
(wakes lost vs loop blocked vs guard).

sltest: log drain batch-flush (64 lines) — per-line FUSE flush stalled
the drain thread for minutes (file frozen, process alive).
gallery: MISS lines added to the perf-log allowlist.
2026-10-30 13:29:50 -04:00
docs/BUGS 120Hz: jank_eval referee + slot-based wake guard + MISS ledger 2026-10-30 13:29:50 -04:00
scripts Fix 120Hz scroll jank end-to-end: render-ahead present + full-cache eviction off the UI thread 2026-10-30 02:49:23 -04:00
shim Fix 120Hz scroll jank end-to-end: render-ahead present + full-cache eviction off the UI thread 2026-10-30 02:49:23 -04:00
src 120Hz: jank_eval referee + slot-based wake guard + MISS ledger 2026-10-30 13:29:50 -04:00
tools 120Hz: jank_eval referee + slot-based wake guard + MISS ledger 2026-10-30 13:29:50 -04:00
vendor 120Hz: jank_eval referee + slot-based wake guard + MISS ledger 2026-10-30 13:29:50 -04:00
.gitignore Fix 120Hz scroll jank end-to-end: render-ahead present + full-cache eviction off the UI thread 2026-10-30 02:49:23 -04:00
build.rs M0: Slint gallery scaffold + development hand-off 2026-10-27 12:22:59 -04:00
Cargo.lock Fix 120Hz scroll jank end-to-end: render-ahead present + full-cache eviction off the UI thread 2026-10-30 02:49:23 -04:00
Cargo.toml Fix thumbnail pop-in: hold-queue for paint-cap overflow + append-only scan streaming + window-liveness watchdog 2026-10-30 09:04:01 -04:00
HANDOFF.md HANDOFF §8.10: pop-in root causes (paint-cap drop, scan storm, black window) + test hygiene 2026-10-30 09:05:08 -04:00
LICENSE Initial commit 2026-10-27 12:13:22 -04:00
README.md M1: metadata scan + sqlite DB + placeholder list 2026-10-27 13:28:33 -04:00

README.md

gallery

A high-performance image gallery for Android (primary), Linux and macOS — Rust + Slint 1.18.

Status: M1 (metadata scan + DB) done. See HANDOFF.md — the development hand-off with the full plan: architecture, thumbnail pipeline, milestones M1–M7, Slint gotchas, permission flow, and performance targets. Next: M2 (thumbnail engine).

Build

./scripts/build.sh debug     # debug x86_64 APK + install on emulator
./scripts/build.sh           # release x86_64 (emulator)
./scripts/build.sh aarch64   # release aarch64 (device)
cargo run                    # desktop (Linux needs libfontconfig1 + pkg-config)

Requires: Rust (rustup), cargo-apk2, Android SDK + NDK 27 (see HANDOFF.md §3 for exact paths/env).

License

GPL-3.0 (see LICENSE). Built on Slint, used under the Slint royalty-free license for proprietary apps (see HANDOFF.md §10.4).